An audio file that will automatically start playing:
The autoplay attribute is supported in Internet Explorer 9+, Firefox, Opera, Chrome, and Safari.
Note: Internet Explorer 8 and earlier versions, do not support the <audio> tag.
The autoplay attribute is a boolean attribute.
When present, the audio will automatically start playing as soon as it can do so without stopping.
The <audio> tag is new in HTML5.
In XHTML, attribute minimization is forbidden, and the autoplay attribute must be defined as <audio autoplay="autoplay">.
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